per unit

Discussion in 'Homework Help' started by pot, Nov 19, 2015.

  1. pot

    Thread Starter New Member

    Nov 9, 2015
    9
    0
    hi
    I have very small question

    why in zone4 :vb4 the voltage is primary/ secondary? " It should be vice versa "

    Capture.PNG Capturek.PNG
     
  2. pot

    Thread Starter New Member

    Nov 9, 2015
    9
    0
    plz help me

    why use voltage primary/ secondary?
     
  3. pot

    Thread Starter New Member

    Nov 9, 2015
    9
    0
    There is error in question?
     
  4. wayneh

    Expert

    Sep 9, 2010
    12,087
    3,026
    You mean like no definition of X, j or S, combined with a cryptic drawing?

    Any question with the preface "very small question", usually isn't.
     
  5. pot

    Thread Starter New Member

    Nov 9, 2015
    9
    0
    nice... I have some questions:

    1. How electricity is moving in this drawing?
    2. In this drawing there are three generators How is move electricity and where to go?
    3. What is the benefit of the transformers first, second and third in this drawing?
    4. How do I know primary and secondary through the transformer ?
    5-How do you do an analysis of these are to draw?
    6-What happens in motor? "If there was "


    and sorry for poor writing
     
    Last edited: Nov 19, 2015
  6. pot

    Thread Starter New Member

    Nov 9, 2015
    9
    0
    true my answer?

    Capture.PNG
     
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